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130718477 is a prime number
BaseRepresentation
bin1111100101010…
…01101100001101
3100002222012001002
413302221230031
5231430442402
620545430045
73145042301
oct762515415
9302865032
10130718477
11678727aa
123793b325
132110a816
1413509d01
15b721602
hex7ca9b0d

130718477 has 2 divisors, whose sum is σ = 130718478. Its totient is φ = 130718476.

The previous prime is 130718473. The next prime is 130718507. The reversal of 130718477 is 774817031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70795396 + 59923081 = 8414^2 + 7741^2 .

It is a cyclic number.

It is not a de Polignac number, because 130718477 - 22 = 130718473 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 130718477.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130718473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65359238 + 65359239.

It is an arithmetic number, because the mean of its divisors is an integer number (65359239).

Almost surely, 2130718477 is an apocalyptic number.

It is an amenable number.

130718477 is a deficient number, since it is larger than the sum of its proper divisors (1).

130718477 is an equidigital number, since it uses as much as digits as its factorization.

130718477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32928, while the sum is 38.

The square root of 130718477 is about 11433.2181383896. The cubic root of 130718477 is about 507.5112337051.

The spelling of 130718477 in words is "one hundred thirty million, seven hundred eighteen thousand, four hundred seventy-seven".